11578747 has 2 divisors, whose sum is σ = 11578748. Its totient is φ = 11578746.

The previous prime is 11578727. The next prime is 11578759. The reversal of 11578747 is 74787511.

It is a strong prime.

It is an emirp because it is prime and its reverse (74787511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11578747 - 2¹⁵ = 11545979 is a prime.

It is not a weakly prime, because it can be changed into another prime (11578727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5789373 + 5789374.

It is an arithmetic number, because the mean of its divisors is an integer number (5789374).

Almost surely, 2^11578747 is an apocalyptic number.

11578747 is a deficient number, since it is larger than the sum of its proper divisors (1).

11578747 is an equidigital number, since it uses as much as digits as its factorization.

11578747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54880, while the sum is 40.

The square root of 11578747 is about 3402.7557949403. The cubic root of 11578747 is about 226.2319062075.

The spelling of 11578747 in words is "eleven million, five hundred seventy-eight thousand, seven hundred forty-seven".